#!/bin/bash
# set -e

# date strings
start=`date +%s`
isodate=`date -I`

echo -e "\nStarting at `date`!\n"

lsblk
echo -e "\ninput disk full path (like /dev/sdX)"
read disk

echo -e "\ninput tag for image (no spaces or special chars)"
read file_tag

file_string=$isodate-$file_tag
out_dir=$PWD
out_img=$out_dir/$file_string.img
out_xz=$out_dir/$file_string.img.xz
info_log=$out_dir/$file_string.txt

echo -e "\nCOPYAN $disk to $out_img\n"
sudo dd if=$disk of=$out_img bs=4M status=progress
ret=$?

ddd=$(($end - `date +%s`))
echo -e "\nDONE COPYING IN $ddd SECONDS ($ret)!\n\nGetting size of $out_img!\n"
sudo du -h $out_img | tee -a $info_log
sudo du -b $out_img | tee -a $info_log
ret=$?

# ddd=$(($end - `date +%s`))
# echo -e "\nDONE	GETTING SIZE IN $ddd SECONDS ($ret)!\n\n! MAKIN SHA256 CHECKSUM OF $out_img"
# sudo sha256sum $out_img | tee -a $info_log
# ret=$?

ddd=$(($end - `date +%s`))
echo -e "\nDONE	GETTING SIZE IN $ddd SECONDS LOGGED TO $info_log ($ret)!\n\nRUNNOIG PISHRINK from $out_img to $out_xz\n"
sudo pishrink -Z -a -v $out_img
ret=$?

ddd=$(($end - `date +%s`))
echo -e "\nDONE RUNNING PISHRINK IN $ddd SECONDS ($ret)!\n\nGETTIN SIZE OF $out_xz\n"
sudo du -h $out_xz | tee -a $info_log
sudo du -b $out_xz | tee -a $info_log
ret=$?

ddd=$(($end - `date +%s`))
echo -e "\nDONE GETTING FILE SIZE IN $ddd SECONDS ($ret)!\n\aMAKIN SHA256 CHECKSUM OF $out_xz\n"
sha256sum $out_xz | tee -a $info_log

ddd=$(($end - `date +%s`))
echo -e "ALL DONE IN $ddd SECONDS!"
echo "Duration $duration seconds" >> $info_log